{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9416",
    "entityType": "User",
    "nonce": "0x057075a3efbbd026b81f10434452af7b78695d69a91086bfeee4b05a439cca85",
    "signature": "0x480ae33693e957cc8ee554c7232e9a9f3d1c8f4e465e0efc60823b5262bb63490ecfc92a6e485d708f13e66c1ef01e6fa4dc64b1b1a789dab35d17d0a0c9b07a1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}